Carquest CQW031889573 Brake Rotor and Hub Assembly

Carquest CQW031889573 Brake Rotor and Hub Assembly is a front-axle replacement that combines a brake rotor and hub assembly into a single unit, marketed in some listings as Carquest 54031. This pre‑assembled part is designed to simplify service by replacing worn rotor surfaces and the hub/bearing interface together, helping restore wheel mounting accuracy and braking feel in one installation. It supports the same duties as separate rotor and hub components: delivering a smooth, consistent rotor surface for pads to bite and providing the hub race and bearings that support the wheel hub. To ensure a correct fit, verify compatibility against your vehicle’s year, make, and model using Carquest's catalog references and the vehicle repair information for your car, truck, or SUV. When installed correctly, the CQW031889573 assembly helps maintain proper rotor runout and wheel alignment, reducing installation time and the risk of mismatched rotor/hub interfaces. Cross-reference availability and fit details align CQW031889573 with Carquest 54031 designations, helping installers confirm the right rotor/hub assembly for the intended vehicle.